Freelance Multiplatform App Developer

Freelancer, Full or part-time · Hybrid/Remote

About Fairphone
Fairphone is a social enterprise driving change in the electronics industry from the inside out. Our business model is based on social and environmental values and centers around producing and marketing consumer electronics that change the industry from within.

We are looking for a Freelance Multiplatform App Developer to develop our next generation of companion apps on Android and iOS for our audio products.
About your role

Fairphone is looking for a Multiplatform Android Developer with a passion for advancing sustainable mobile technologies. In this role, you’ll help shape the next generation of companion apps for our audio products: the over-ear Fairbuds XL and in-ear Fairbuds.

Both products connect via Bluetooth to Android and iOS apps, allowing users to update firmware and customize sound settings. You’ll be responsible for developing the new generation of these apps, working closely with our Product Owner OS & Apps, Audio Product Manager, and Software Engineers. You’ll join our Software Engineering team, contributing to Fairphone’s mission of creating more ethical, longer-lasting technology.

Key Responsibilities & Objectives
  • Develop the next generation of multiplatform audio companion apps for Android and iOS

  • Write unit and integration tests to ensure robustness, usability, and reliability especially in combination with Bluetooth-connected hardware

  • Identify, debug, and resolve issues to continuously improve application performance
Your Skills & Experience
  • Proven experience in multiplatform app development for both Android and iOS

  • Hands-on experience with apps that use Bluetooth connectivity

  • Familiarity with connected Audio accessories

  • Strong programming skills, particularly in Kotlin

  • Experience with Jetpack Compose

  • Comfortable working in Agile environments

  • Excellent debugging skills to tackle complex issues

  • Familiarity with third-party libraries and APIs

  • Appreciation for Free and Open Source Software (FOSS) and interest in contributing to the community

What Fairphone can offer you?
  • The opportunity to create an impact on the electronics industry around the world.
  • A diverse work environment full of international, passionate, warm-hearted team members.
About us

DEI @Fairphone 
At Fairphone, we care about people, planet and you. It’s natural that we see diversity, equity and inclusion (DEI) as an essential part of how we work together and do business.

We support and further strengthen our inclusive work environment and culture by more formally implementing various DEI efforts to ensure all Fairphoners feel included, respected, and supported.

Please make sure you send us your application documents as PDF files only! Otherwise, we won't consider your application. Thank you in advance!



We are looking forward to hearing from you!
Thank you for your interest in Fairphone! Should you have difficulties with the upload of your data, please send an email to people@fairphone.com
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